“At night numbers must sleep; it is their duty, just as it is their duty to work in the daytime. Not sleeping at night is a criminal offense.”

“It is my solemn duty to stay up all night researching and writing the history of these three hapless youngsters, but you may be more comfortable getting a good night's sleep. In that case, you should probably choose some other book.”

“Sleep, sleep, beauty bright,
Dreaming o'er the joys of night.
Sleep, sleep: in thy sleep
Little sorrows sit and weep.”

“The City is of Night, but not of Sleep;
There sweet sleep is not for the weary brain;
The pitiless hours like years and ages creep,
A night seems termless hell.”

“The orders are rigorous: you should not neglect your work load. They are to proceed with the building work by night and in the heat of noon. You will not be sleeping during the night or in the heat of noon!”

“What hath night to do with sleep?”

“Who said nights were for sleep?”

“Is it in these bottomless nights that you sleep in exile?”

“Night, having Sleep, the brother of Death.”

“You would probably not say that he was sleeping the sleep of the just, unless you meant the just asleep, but it was certainly the sleep of someone who was not fooling about when he climbed into bed of a night and turned off the light.”